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SigmasTek  |  SKU: BW-10554

Merits P120-Feather High Performance Wheelchair Replacement Battery Set

Sale price $89.89 USD Regular price $117.70
Shipping calculated at checkout.

➤ Factory fresh Merits P120-Feather batteries for reliable performance

➤ 100% compatible with Merits P120-Feather wheelchair units

➤ Absorbent Glass Mat (AGM) technology for deep cycle usage

➤ Valve regulated, spill-proof design ensures safety and durability

➤ Includes 1-year warranty for peace of mind and guaranteed quality


📦🚀 FAST SHIPPING: Usually ships same day if ordered before 2 PM EST

⚠️ Quick Reminder

🔹 Please ensure the original battery model number is listed in our product description and that your device model number matches for compatibility.
🔹 We only supply the batteries shown in the images. Device images are provided for reference only.

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Snap a photo or video of your battery and send it to us. We'll identify the exact replacement—fast and hassle-free. Our team has helped thousands of customers find the right battery quickly and easily.
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Battery Care Guide

Battery Usage and Maintenance Guidelines 🔋

Please read the following instructions carefully before using your new battery. Proper adherence will help ensure optimal performance and extended service life.

1. Cordless Phones, PDAs, and Power Tools (NiMH, NiCd, Lithium-Ion) 📱

Initial Charge

  • Fully charge the battery overnight prior to first use.

Conditioning (First 2–6 Charge Cycles)

  • Operate the device until the battery reaches approximately 20% capacity.
  • Avoid premature recharging.
  • Do not allow the battery to fully discharge during the initial cycles.

Post-Conditioning

  • Recharge the battery only when necessary.
  • These batteries are capable of approximately 500 charge cycles:
  • Once daily → ~500 days
    Twice daily → ~250 days
    Note: Even a partial recharge is considered a full cycle.

2. Sealed Lead Acid (SLA) Batteries 💡

  • No conditioning required.
  • Maintain the battery in a fully charged state; avoid complete discharge.
  • Capable of 300–400 charge cycles.
  • Expected service life: 2–3 years, depending on usage conditions.

3. Laptop Batteries (Lithium-Ion) 💻

Initial Charge

  • Fully charge the battery overnight prior to first use.

Conditioning (First 2–6 Charge Cycles)

  • Charge fully, then discharge to approximately 20% capacity.
  • Avoid complete discharge, as some devices may not detect a fully drained battery.

Post-Conditioning

  • Minimize frequent plugging and unplugging.
  • Allow the battery to discharge moderately at least once per month to maintain optimal performance.
  • Occasional cycling is recommended to sustain battery health.

Professional Recommendation

Adhering to these guidelines will enhance battery longevity and ensure reliable performance.

For further assistance regarding your battery or order, our customer support team is available to provide guidance.

Delivery and Shipping

Everything You Need to Know About Shipping with BatteryWeb (USA)

We know reliable delivery matters when you need power fast. Here’s how BatteryWeb makes shipping easy across the USA:

🚚 Shipping & Delivery

Most orders ship next business day (some products like sealed lead acid may take a little longer).

Same-day shipping available if you order before 11:59 AM (delivery depends on the carrier).

We ship nationwide using FedEx, UPS, USPS, DHL, and regional ground carriers.

Shipping costs are calculated automatically at checkout based on weight, distance, and carrier.

Transit times shown are estimates only (business days, no weekends/holidays).

🌍 Shipping Restrictions

Lithium batteries cannot be shipped by USPS or air. They must go via FedEx Ground, UPS Ground, or DHL Ground.

PO Box deliveries are only available via USPS.

At this time, we do not ship lithium batteries to Puerto Rico. NiMH, NiCd, and Alkaline can be shipped.

📦 Important Notes

Double-check your shipping address! If an incorrect address is used and the order is returned, re-shipping costs are the buyer’s responsibility.

If a product is temporarily out of stock, we’ll notify you right away with the expected restock date—or issue a refund if you prefer.

💲 Currency & Pricing

All prices are shown in USD.

Orders shipped outside the USA may be subject to local taxes, customs fees, or import duties. These are the buyer’s responsibility.

⚡ At BatteryWeb, we’re committed to getting your batteries delivered quickly, safely, and affordably—so you’ll always have the power you need, when you need it.

Disclaimer

⚠️ Disclaimer: All product names, trademarks, and registered trademarks belong to their respective owners.

🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.

🔹 Our products are generic replacement parts and are not affiliated with, endorsed by, or manufactured by the original equipment manufacturers (OEMs).


Volts & Amps

12 Volts | 18 Ah

Terminal Type

Nut & Bolt

Replacement Merits P120-Feather Battery — SP12-18 NB (12V 18Ah)

Bring your Merits P120-Feather back to peak performance with this factory-fresh replacement battery designed for compatibility and durability. The SP12-18 NB cell is a robust, high-quality option that provides consistent deep-cycle power for your Merits P120-Feather mobility device. If you need a long-lasting battery that performs under daily use, this replacement battery meets the original specifications and restores reliable operation.

Key Specifications

  • Compatible Model: Merits P120-Feather
  • Battery Model: SP12-18 NB
  • Voltage: 12 Volts
  • Capacity: 18 Ah
  • Terminal Type: Nut & Bolt
  • Technology: Absorbent Glass Mat (AGM)
  • Designed For: Deep Cycle Usage
  • Construction: Valve Regulated, Spill Proof
  • Attributes: Power/Volume Ratio Yielding Unrivaled Energy Density
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year
  • Brand: SigmasTek
  • Quantity Required by Unit: 2 batteries (use existing hardware and cables)
  • Performance: Guaranteed

Benefits

This replacement battery is engineered for durability and extended cycle life. AGM technology and valve-regulated construction help prevent leaks and reduce maintenance while enhancing overall longevity. As a high-performance battery built for deep-cycle applications, it tolerates repeated discharge/recharge cycles without rapid capacity loss, delivering a long-lasting battery solution for mobility users who depend on consistent range and stability.

The Nut & Bolt terminal offers secure mechanical connection using your existing cables and hardware, simplifying installation and ensuring safe contact. Certifications from U.L. and CE demonstrate adherence to recognized safety and manufacturing standards, giving you added confidence in quality and reliability. The sealed, maintenance-free design minimizes upkeep, making it ideal for everyday mobility devices.

Common applications include electric wheelchairs, power chairs, mobility chairs, and mobility scooters — all of which benefit from a dependable replacement battery. Additionally, this battery is suitable for small-scale UPS units, emergency power systems, and portable tool packs where a compact, high-performance battery is required.

When you need to restore your Merits P120-Feather to reliable operation, choose this SP12-18 NB replacement battery for consistent power, proven durability, and a long-lasting battery life backed by a 1-year warranty. Order now to receive a certified, factory-fresh unit and fast shipping.


Payment & Security

Payment methods

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